Re: [PATCH/RFC 7/9] Virtual network guest device driver

Anthony Liguori
2007-05-13T14:49:35Z

Dor Laor wrote:
> push it into the kernel are:
> a. We should perform much better
> b. It would be a painful task getting all the code review that a
>
> complicated network interface should get.
> c. There's already a PV driver that answers a,b.
> The Xen's PV network driver is now pushed into the kernel.
>

Actually, it's not (at least not as of a few moments ago). Furthermore,
the plan is to completely rearchitect the netback/netfront protocol for
the next Xen release (this effort is referred to netchannel2).

See some of the XenSummit slides as to why this is necessary.

Regards,

Anthony Liguori

> It is optimized, and support tso.
> By adding a generic ops calls we can make enjoy all the above.
>
> Using Xen's core PV code doesn't imply that we will have their interface
> {xenstore} the interface creation and tear-down would be kvm specific.
> They could even have a plain directory structure.
>
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